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The accuracy of parameter estimates and coverage probability of population values in regression models upon different treatments of systematically missing data
(University of British Columbia, 1998)
Several methods are available for the treatment of missing data. Most of the methods are based on the assumption that data are missing completely at random (MCAR). However, data sets that are MCAR are rare in psycho-educational ...
South African Sign Language-one language or many? A sociolinguistic question
(Stellenbosch Papers, 1998)
In this article we discuss the signed language used by the Deaf community in South Africa, and examine the historical conditions for its emergence. We describe the legal and actual situation of South Afiican Sign Language ...
South African Sign Language-one language or many? A sociolinguistic question
(1998)
In this article we discuss the signed language used by the Deaf community in South Africa, and examine the historical conditions for its emergence. We describe the legal and actual situation of South Afiican Sign Language ...
Sewage reuse for irrigation in Athi River town: its implications on public health
(Moi University, 1998)
Lead, cadmium, selenium and arsenic were the selected indicators of toxic heavy metals which were determined using atomic absorption spectroscopy (AAS) in sewage being reused for irrigation in Athi River town of Kenya. ...
Sewage reuse for irrigation in Athi River town: its implications on public health
(Moi University, 1998)
Lead, cadmium, selenium and arsenic were the selected indicators of toxic heavy metals
which were determined using atomic absorption spectroscopy (AAS) in sewage being
reused for irrigation in Athi River town of Kenya. ...
Effect of infection level of sesame (sesamum indicum L.) seed by alternaria sesami on severity of alternaria leaf spot
(Faculty of Agriculture, University of Ruhuna. Kamburupitiya, 1998)
Alternaria sesami infection in sesame seed samples collected from farmers in Busia, Kakamega and Siaya districts of Kenya was detected by oat meal agar method. Infection levels in seed samples varied from 8.96% in Kakamega ...
A Geographic Information System Applied To A Malaria Field Study In Western Kenya
(Masaimara university, 1998)
This paper describes use of the global positioning system (GPS) in differential mode (DGPS) to obtain highly accurate longitudes, latitudes, and altitudes of 1,169 houses, 15 schools, 40 churches, four health care centers, ...
Hybrid performance of sorghum and its relationship to morphological and physiological traits under variable drought stress in Kenya
(Blackwell Publishing Ltd, 1998-07-01)
Sorghum, Sorghum bicolor L. Moench, is grown mostly in semi‐arid climates where unpredictable drought stress constitutes a major production constraint. To investigate hybrid performance at different levels of drought stress, ...